1140323130 has 128 divisors (see below), whose sum is σ = 3106483200. Its totient is φ = 297603072.

The previous prime is 1140323101. The next prime is 1140323131. The reversal of 1140323130 is 313230411.

1140323130 is a `hidden beast` number, since 1 + 1 + 403 + 231 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1140323131) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4116552 + ... + 4116828.

It is an arithmetic number, because the mean of its divisors is an integer number (24269400).

Almost surely, 2^1140323130 is an apocalyptic number.

1140323130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1140323130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1553241600).

1140323130 is an abundant number, since it is smaller than the sum of its proper divisors (1966160070).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1140323130 is a wasteful number, since it uses less digits than its factorization.

1140323130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565 (or 559 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1140323130 is about 33768.6708355541. The cubic root of 1140323130 is about 1044.7426180223.

Adding to 1140323130 its reverse (313230411), we get a palindrome (1453553541).

The spelling of 1140323130 in words is "one billion, one hundred forty million, three hundred twenty-three thousand, one hundred thirty".